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vortec heads

  1. Sbc 350 build 350hp/tq with vortec heads

    Engine
    Looking for help in a few things for a first build. Hoping for 350 hp and a flat torque curve of 350 or more if possible with a static cr of 9.0-9.5 on cali 91 pump gas working below 6k rpm (5500 is possible). I have a free set of vortec heads that need a good cleanup and valve job that ill be...
  2. Trying to put vortec heads on a 5.7 tpi.

    Hotrodding Basics
    Im looking for some thoughts on putting vortec heads on my 1987 Pontiac Firebird 5.7 tpi. After looking around I found that I wouldn't be able to run the stock intake manifold because of the vortec bolts being different from the current swirlport heads. I couldn't find a conversion for under...
  3. how can i get more out of my sbc 350(355)

    Engine
    I currently have a 1969 010 block 350 2 bolt main, I have had it bored .30, standard pistons, custom delta cam ( not sure of specs ill check) stock sbc crank, eldbrock rpm air gap intake manifold, holly 650 street avenger carb, stock ignition, holly red fuel pump, vortec heads casting # 062...
  4. more lift out of chevy large port heads

    Engine
    brand new chevy performance large port heads ....max lift is i think .470 and my cam has and exhaust lit of .555 .....is springs gonna fix my prob or do i need machine work im new to this so thank you for the help
  5. Vortec heads

    Hotrodding Basics
    Hi all, I'm a retired Auto tech. I've always specialized in suspension, alignment and brakes. I drive a '64 Chevelle, and a '57 Chevy short bed my dream vehicles. I put a 327 out of a vette in my 64 with an early 700R4, runs amazing. My question is, I'm putting the 283 out of my '64 in my...
  6. SBC Build

    Hotrodding Basics
    I am in the process of doing a SBC build. I have a 350 bored over .30, I went with a 2 valve relief float speed pro piston which put me at 10 to 1 compression with a 64 CC head, I have a set of modified Vortec heads ( the guides have beencut and I have a new springs that hold up to 575 lift, new...
  7. Sbc build

    Hotrodding Basics
    I am in the process of doing a SBC build. I have a 350 bored over .30, I went with a 2 valve relief float speed pro piston which put me at 10 to 1 compression with a 64 CC head, I have a set of modified Vortec heads ( the guides have been cut and I have a new springs that hold up to 575 lift...
  8. Cam Selection 292h or XE284 .

    Hotrodding Basics
    I am in the process of doing a SBC build it's a Chevrolet 350 bored over .30, I have 2 valve relief Speed Pro pistons which puts me at 10 to 1 compression as far as my cylinder heads go I have a set a vortecs with screw in studs ,new guide plates, and also new springs that can handle up to 550...
  9. Sbc build

    Hotrodding Basics
    i have some questions about a build that i am in the process of Building. i Wanted to know how much horse power you all will think i will be at with this combo (TO THE TIRE) and any advice about the cam that i am using, compression is at 10-1 I Have a 350 bored .40 over Comp cam 292H...
  10. 292H comp cam with vortec heads

    Engine
    I have a set of modified Vortec heads, with 292H comp cam the guides have been cut down so It can handle up to a 550 lift cam, and the heads also have been ported and polished, and screw in studs. I wanted to know have any of you guys ever ran this cam before how did you like the performance...
  11. XE274 or 292H???

    Engine
    Which cam would be better in this combo i already have the 292H comp Cam but i have about a month to decide if i need to keep this cam or go with the COMP CAM XE274.. motor is not in the Car yet still in the building stage. I Have a 350 bored .40 over Comp cam 292H, (501/501) Lift 1.5 ratio...
  12. Vortec Heads with 292h Comp Cam

    Engine
    Has Any Body Ran A Comp Cam 292H (501/501)lift, with Vortec Heads 64cc, If so how did it perform on the Street, and did you have any problems running the set up?
  13. 350 SBC Build..

    Engine
    hey . am brand new to this site, i have some questions about a build that i am in the process of Building. i Wanted to know how much horse power you all will think i will be at with this combo and any advice about the cam that i am using, compression is at 9.8-1 I Have a 350 bored .40 over Comp...
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